Mercurial > hg
annotate mercurial/merge.py @ 8016:baaa832fd253
raise RevlogError when parser can't parse the revlog index
Initial patch and test thanks to Nicolas Dumazet.
author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
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date | Mon, 06 Apr 2009 19:48:11 +0200 |
parents | 89e05c02a4af |
children | 496ae1ea4698 |
rev | line source |
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1 # merge.py - directory-level update/merge handling for Mercurial |
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2 # |
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3 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 |
6518 | 8 from node import nullid, nullrev, hex, bin |
3891 | 9 from i18n import _ |
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10 import errno, util, os, filemerge, copies, shutil |
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11 |
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12 class mergestate(object): |
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13 '''track 3-way merge state of individual files''' |
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14 def __init__(self, repo): |
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15 self._repo = repo |
6518 | 16 self._read() |
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17 def reset(self, node=None): |
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18 self._state = {} |
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19 if node: |
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20 self._local = node |
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21 shutil.rmtree(self._repo.join("merge"), True) |
6518 | 22 def _read(self): |
23 self._state = {} | |
24 try: | |
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25 localnode = None |
6518 | 26 f = self._repo.opener("merge/state") |
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27 for i, l in enumerate(f): |
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28 if i == 0: |
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29 localnode = l[:-1] |
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30 else: |
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31 bits = l[:-1].split("\0") |
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32 self._state[bits[0]] = bits[1:] |
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33 self._local = bin(localnode) |
6518 | 34 except IOError, err: |
35 if err.errno != errno.ENOENT: | |
36 raise | |
37 def _write(self): | |
38 f = self._repo.opener("merge/state", "w") | |
39 f.write(hex(self._local) + "\n") | |
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40 for d, v in self._state.iteritems(): |
6518 | 41 f.write("\0".join([d] + v) + "\n") |
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42 def add(self, fcl, fco, fca, fd, flags): |
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43 hash = util.sha1(fcl.path()).hexdigest() |
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44 self._repo.opener("merge/" + hash, "w").write(fcl.data()) |
6518 | 45 self._state[fd] = ['u', hash, fcl.path(), fca.path(), |
46 hex(fca.filenode()), fco.path(), flags] | |
47 self._write() | |
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48 def __contains__(self, dfile): |
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49 return dfile in self._state |
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50 def __getitem__(self, dfile): |
6518 | 51 return self._state[dfile][0] |
52 def __iter__(self): | |
53 l = self._state.keys() | |
54 l.sort() | |
55 for f in l: | |
56 yield f | |
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57 def mark(self, dfile, state): |
6518 | 58 self._state[dfile][0] = state |
59 self._write() | |
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60 def resolve(self, dfile, wctx, octx): |
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61 if self[dfile] == 'r': |
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62 return 0 |
6518 | 63 state, hash, lfile, afile, anode, ofile, flags = self._state[dfile] |
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64 f = self._repo.opener("merge/" + hash) |
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65 self._repo.wwrite(dfile, f.read(), flags) |
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66 fcd = wctx[dfile] |
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67 fco = octx[ofile] |
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68 fca = self._repo.filectx(afile, fileid=anode) |
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69 r = filemerge.filemerge(self._repo, self._local, lfile, fcd, fco, fca) |
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70 if not r: |
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71 self.mark(dfile, 'r') |
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72 return r |
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73 |
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74 def _checkunknown(wctx, mctx): |
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75 "check for collisions between unknown files and files in mctx" |
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76 for f in wctx.unknown(): |
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77 if f in mctx and mctx[f].cmp(wctx[f].data()): |
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78 raise util.Abort(_("untracked file in working directory differs" |
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79 " from file in requested revision: '%s'") % f) |
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80 |
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81 def _checkcollision(mctx): |
3785 | 82 "check for case folding collisions in the destination context" |
83 folded = {} | |
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84 for fn in mctx: |
3785 | 85 fold = fn.lower() |
86 if fold in folded: | |
87 raise util.Abort(_("case-folding collision between %s and %s") | |
88 % (fn, folded[fold])) | |
89 folded[fold] = fn | |
90 | |
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91 def _forgetremoved(wctx, mctx, branchmerge): |
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92 """ |
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93 Forget removed files |
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94 |
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95 If we're jumping between revisions (as opposed to merging), and if |
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96 neither the working directory nor the target rev has the file, |
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97 then we need to remove it from the dirstate, to prevent the |
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98 dirstate from listing the file when it is no longer in the |
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99 manifest. |
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100 |
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101 If we're merging, and the other revision has removed a file |
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102 that is not present in the working directory, we need to mark it |
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103 as removed. |
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104 """ |
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105 |
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106 action = [] |
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107 state = branchmerge and 'r' or 'f' |
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108 for f in wctx.deleted(): |
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109 if f not in mctx: |
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110 action.append((f, state)) |
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111 |
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112 if not branchmerge: |
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113 for f in wctx.removed(): |
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114 if f not in mctx: |
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115 action.append((f, "f")) |
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116 |
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117 return action |
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118 |
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119 def manifestmerge(repo, p1, p2, pa, overwrite, partial): |
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120 """ |
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121 Merge p1 and p2 with ancestor ma and generate merge action list |
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122 |
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123 overwrite = whether we clobber working files |
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124 partial = function to filter file lists |
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125 """ |
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126 |
3314 | 127 repo.ui.note(_("resolving manifests\n")) |
128 repo.ui.debug(_(" overwrite %s partial %s\n") % (overwrite, bool(partial))) | |
129 repo.ui.debug(_(" ancestor %s local %s remote %s\n") % (pa, p1, p2)) | |
130 | |
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131 m1 = p1.manifest() |
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132 m2 = p2.manifest() |
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133 ma = pa.manifest() |
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134 backwards = (pa == p2) |
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136 copy, copied, diverge = {}, {}, {} |
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137 |
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138 def fmerge(f, f2=None, fa=None): |
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139 """merge flags""" |
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140 if not f2: |
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141 f2 = f |
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142 fa = f |
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143 a, m, n = ma.flags(fa), m1.flags(f), m2.flags(f2) |
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144 if m == n: # flags agree |
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145 return m # unchanged |
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146 if m and n: # flags are set but don't agree |
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147 if not a: # both differ from parent |
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148 r = repo.ui.prompt( |
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149 _(" conflicting flags for %s\n" |
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150 "(n)one, e(x)ec or sym(l)ink?") % f, "[nxl]", "n") |
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151 return r != "n" and r or '' |
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152 if m == a: |
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153 return n # changed from m to n |
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154 return m # changed from n to m |
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155 if m and m != a: # changed from a to m |
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156 return m |
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157 if n and n != a: # changed from a to n |
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158 return n |
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159 return '' # flag was cleared |
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160 |
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161 def act(msg, m, f, *args): |
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162 repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m)) |
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163 action.append((f, m) + args) |
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164 |
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165 if pa and not (backwards or overwrite): |
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166 if repo.ui.configbool("merge", "followcopies", True): |
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167 dirs = repo.ui.configbool("merge", "followdirs", True) |
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168 copy, diverge = copies.copies(repo, p1, p2, pa, dirs) |
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169 copied = dict.fromkeys(copy.values()) |
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170 for of, fl in diverge.iteritems(): |
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171 act("divergent renames", "dr", of, fl) |
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172 |
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173 # Compare manifests |
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174 for f, n in m1.iteritems(): |
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175 if partial and not partial(f): |
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176 continue |
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177 if f in m2: |
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178 if overwrite or backwards: |
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179 rflags = m2.flags(f) |
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180 else: |
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181 rflags = fmerge(f) |
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182 # are files different? |
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183 if n != m2[f]: |
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184 a = ma.get(f, nullid) |
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185 # are we clobbering? |
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186 if overwrite: |
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187 act("clobbering", "g", f, rflags) |
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188 # or are we going back in time and clean? |
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189 elif backwards: |
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190 if not n[20:] or not p2[f].cmp(p1[f].data()): |
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191 act("reverting", "g", f, rflags) |
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192 # are both different from the ancestor? |
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193 elif n != a and m2[f] != a: |
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194 act("versions differ", "m", f, f, f, rflags, False) |
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195 # is remote's version newer? |
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196 elif m2[f] != a: |
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197 act("remote is newer", "g", f, rflags) |
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198 # local is newer, not overwrite, check mode bits |
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199 elif m1.flags(f) != rflags: |
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200 act("update permissions", "e", f, rflags) |
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201 # contents same, check mode bits |
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202 elif m1.flags(f) != rflags: |
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203 act("update permissions", "e", f, rflags) |
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204 elif f in copied: |
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205 continue |
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206 elif f in copy: |
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207 f2 = copy[f] |
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208 if f2 not in m2: # directory rename |
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209 act("remote renamed directory to " + f2, "d", |
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210 f, None, f2, m1.flags(f)) |
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211 elif f2 in m1: # case 2 A,B/B/B |
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212 act("local copied to " + f2, "m", |
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213 f, f2, f, fmerge(f, f2, f2), False) |
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214 else: # case 4,21 A/B/B |
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215 act("local moved to " + f2, "m", |
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216 f, f2, f, fmerge(f, f2, f2), False) |
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217 elif f in ma: |
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218 if n != ma[f] and not overwrite: |
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219 if repo.ui.prompt( |
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220 _(" local changed %s which remote deleted\n" |
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221 "use (c)hanged version or (d)elete?") % f, |
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222 _("[cd]"), _("c")) == _("d"): |
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223 act("prompt delete", "r", f) |
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224 act("prompt keep", "a", f) |
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225 else: |
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226 act("other deleted", "r", f) |
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227 else: |
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228 # file is created on branch or in working directory |
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229 if (overwrite and n[20:] != "u") or (backwards and not n[20:]): |
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230 act("remote deleted", "r", f) |
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231 |
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232 for f, n in m2.iteritems(): |
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233 if partial and not partial(f): |
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234 continue |
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235 if f in m1: |
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236 continue |
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237 if f in copied: |
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238 continue |
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239 if f in copy: |
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240 f2 = copy[f] |
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241 if f2 not in m1: # directory rename |
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242 act("local renamed directory to " + f2, "d", |
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243 None, f, f2, m2.flags(f)) |
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244 elif f2 in m2: # rename case 1, A/A,B/A |
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245 act("remote copied to " + f, "m", |
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246 f2, f, f, fmerge(f2, f, f2), False) |
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247 else: # case 3,20 A/B/A |
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248 act("remote moved to " + f, "m", |
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249 f2, f, f, fmerge(f2, f, f2), True) |
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250 elif f in ma: |
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251 if overwrite or backwards: |
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252 act("recreating", "g", f, m2.flags(f)) |
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253 elif n != ma[f]: |
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254 if repo.ui.prompt( |
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255 _("remote changed %s which local deleted\n" |
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256 "use (c)hanged version or leave (d)eleted?") % f, |
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257 _("[cd]"), _("c")) == _("c"): |
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258 act("prompt recreating", "g", f, m2.flags(f)) |
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259 else: |
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260 act("remote created", "g", f, m2.flags(f)) |
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261 |
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262 return action |
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263 |
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264 def actioncmp(a1, a2): |
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265 m1 = a1[1] |
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266 m2 = a2[1] |
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267 if m1 == m2: |
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268 return cmp(a1, a2) |
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269 if m1 == 'r': |
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270 return -1 |
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271 if m2 == 'r': |
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272 return 1 |
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273 return cmp(a1, a2) |
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274 |
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275 def applyupdates(repo, action, wctx, mctx): |
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276 "apply the merge action list to the working directory" |
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277 |
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278 updated, merged, removed, unresolved = 0, 0, 0, 0 |
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279 ms = mergestate(repo) |
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280 ms.reset(wctx.parents()[0].node()) |
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281 moves = [] |
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282 action.sort(actioncmp) |
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283 |
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284 # prescan for merges |
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285 for a in action: |
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286 f, m = a[:2] |
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287 if m == 'm': # merge |
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288 f2, fd, flags, move = a[2:] |
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289 repo.ui.debug(_("preserving %s for resolve of %s\n") % (f, fd)) |
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290 fcl = wctx[f] |
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291 fco = mctx[f2] |
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292 fca = fcl.ancestor(fco) or repo.filectx(f, fileid=nullrev) |
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293 ms.add(fcl, fco, fca, fd, flags) |
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294 if f != fd and move: |
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295 moves.append(f) |
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296 |
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297 # remove renamed files after safely stored |
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298 for f in moves: |
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299 if util.lexists(repo.wjoin(f)): |
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300 repo.ui.debug(_("removing %s\n") % f) |
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301 os.unlink(repo.wjoin(f)) |
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302 |
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303 audit_path = util.path_auditor(repo.root) |
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304 |
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305 for a in action: |
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306 f, m = a[:2] |
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307 if f and f[0] == "/": |
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308 continue |
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309 if m == "r": # remove |
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310 repo.ui.note(_("removing %s\n") % f) |
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311 audit_path(f) |
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312 try: |
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313 util.unlink(repo.wjoin(f)) |
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314 except OSError, inst: |
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315 if inst.errno != errno.ENOENT: |
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316 repo.ui.warn(_("update failed to remove %s: %s!\n") % |
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317 (f, inst.strerror)) |
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318 removed += 1 |
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319 elif m == "m": # merge |
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320 f2, fd, flags, move = a[2:] |
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321 r = ms.resolve(fd, wctx, mctx) |
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322 if r > 0: |
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323 unresolved += 1 |
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324 else: |
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325 if r is None: |
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326 updated += 1 |
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327 else: |
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328 merged += 1 |
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329 util.set_flags(repo.wjoin(fd), 'l' in flags, 'x' in flags) |
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330 if f != fd and move and util.lexists(repo.wjoin(f)): |
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331 repo.ui.debug(_("removing %s\n") % f) |
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332 os.unlink(repo.wjoin(f)) |
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333 elif m == "g": # get |
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334 flags = a[2] |
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335 repo.ui.note(_("getting %s\n") % f) |
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336 t = mctx.filectx(f).data() |
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337 repo.wwrite(f, t, flags) |
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338 updated += 1 |
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339 elif m == "d": # directory rename |
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340 f2, fd, flags = a[2:] |
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341 if f: |
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342 repo.ui.note(_("moving %s to %s\n") % (f, fd)) |
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343 t = wctx.filectx(f).data() |
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344 repo.wwrite(fd, t, flags) |
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345 util.unlink(repo.wjoin(f)) |
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346 if f2: |
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347 repo.ui.note(_("getting %s to %s\n") % (f2, fd)) |
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348 t = mctx.filectx(f2).data() |
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349 repo.wwrite(fd, t, flags) |
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350 updated += 1 |
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351 elif m == "dr": # divergent renames |
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352 fl = a[2] |
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353 repo.ui.warn(_("warning: detected divergent renames of %s to:\n") % f) |
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354 for nf in fl: |
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355 repo.ui.warn(" %s\n" % nf) |
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356 elif m == "e": # exec |
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357 flags = a[2] |
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358 util.set_flags(repo.wjoin(f), 'l' in flags, 'x' in flags) |
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359 |
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360 return updated, merged, removed, unresolved |
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361 |
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362 def recordupdates(repo, action, branchmerge): |
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363 "record merge actions to the dirstate" |
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364 |
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365 for a in action: |
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366 f, m = a[:2] |
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367 if m == "r": # remove |
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368 if branchmerge: |
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369 repo.dirstate.remove(f) |
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370 else: |
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371 repo.dirstate.forget(f) |
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372 elif m == "a": # re-add |
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373 if not branchmerge: |
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374 repo.dirstate.add(f) |
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375 elif m == "f": # forget |
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376 repo.dirstate.forget(f) |
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377 elif m == "e": # exec change |
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378 repo.dirstate.normallookup(f) |
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379 elif m == "g": # get |
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380 if branchmerge: |
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381 repo.dirstate.normaldirty(f) |
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382 else: |
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383 repo.dirstate.normal(f) |
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384 elif m == "m": # merge |
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385 f2, fd, flag, move = a[2:] |
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386 if branchmerge: |
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387 # We've done a branch merge, mark this file as merged |
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388 # so that we properly record the merger later |
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389 repo.dirstate.merge(fd) |
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Matt Mackall <mpm@selenic.com>
parents:
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changeset
|
390 if f != f2: # copy/rename |
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
391 if move: |
4904
6fd953d5faea
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parents:
4884
diff
changeset
|
392 repo.dirstate.remove(f) |
3372
ba7c74081861
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parents:
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diff
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|
393 if f != fd: |
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|
394 repo.dirstate.copy(f, fd) |
ba7c74081861
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diff
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|
395 else: |
ba7c74081861
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Matt Mackall <mpm@selenic.com>
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3371
diff
changeset
|
396 repo.dirstate.copy(f2, fd) |
3251
c93ce7f10f85
merge: fixes for merge+rename
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diff
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|
397 else: |
c93ce7f10f85
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|
398 # We've update-merged a locally modified file, so |
c93ce7f10f85
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changeset
|
399 # we set the dirstate to emulate a normal checkout |
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400 # of that file some time in the past. Thus our |
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diff
changeset
|
401 # merge will appear as a normal local file |
c93ce7f10f85
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parents:
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diff
changeset
|
402 # modification. |
5210
90d9ec0dc69d
merge: forcefully mark files that we get from the second parent as dirty
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5161
diff
changeset
|
403 repo.dirstate.normallookup(fd) |
3308
ecc1bf27378c
merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents:
3307
diff
changeset
|
404 if move: |
4904
6fd953d5faea
dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents:
4884
diff
changeset
|
405 repo.dirstate.forget(f) |
3733
9e67fecbfd16
merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents:
3732
diff
changeset
|
406 elif m == "d": # directory rename |
9e67fecbfd16
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parents:
3732
diff
changeset
|
407 f2, fd, flag = a[2:] |
4819
9797124581c9
merge: fix adding untracked files on directory rename (issue612)
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parents:
4748
diff
changeset
|
408 if not f2 and f not in repo.dirstate: |
9797124581c9
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diff
changeset
|
409 # untracked file moved |
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diff
changeset
|
410 continue |
3733
9e67fecbfd16
merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents:
3732
diff
changeset
|
411 if branchmerge: |
4904
6fd953d5faea
dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents:
4884
diff
changeset
|
412 repo.dirstate.add(fd) |
3733
9e67fecbfd16
merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents:
3732
diff
changeset
|
413 if f: |
4904
6fd953d5faea
dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents:
4884
diff
changeset
|
414 repo.dirstate.remove(f) |
3733
9e67fecbfd16
merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents:
3732
diff
changeset
|
415 repo.dirstate.copy(f, fd) |
9e67fecbfd16
merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents:
3732
diff
changeset
|
416 if f2: |
9e67fecbfd16
merge: handle directory renames
Matt Mackall <mpm@selenic.com>
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3732
diff
changeset
|
417 repo.dirstate.copy(f2, fd) |
9e67fecbfd16
merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents:
3732
diff
changeset
|
418 else: |
4904
6fd953d5faea
dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents:
4884
diff
changeset
|
419 repo.dirstate.normal(fd) |
3733
9e67fecbfd16
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
420 if f: |
4904
6fd953d5faea
dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents:
4884
diff
changeset
|
421 repo.dirstate.forget(f) |
3111
5cc62d99b785
merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents:
3110
diff
changeset
|
422 |
4917
126f527b3ba3
Make repo locks recursive, eliminate all passing of lock/wlock
Matt Mackall <mpm@selenic.com>
parents:
4915
diff
changeset
|
423 def update(repo, node, branchmerge, force, partial): |
3315
38be819a1225
merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents:
3314
diff
changeset
|
424 """ |
38be819a1225
merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents:
3314
diff
changeset
|
425 Perform a merge between the working directory and the given node |
38be819a1225
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Matt Mackall <mpm@selenic.com>
parents:
3314
diff
changeset
|
426 |
38be819a1225
merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents:
3314
diff
changeset
|
427 branchmerge = whether to merge between branches |
38be819a1225
merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents:
3314
diff
changeset
|
428 force = whether to force branch merging or file overwriting |
38be819a1225
merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents:
3314
diff
changeset
|
429 partial = a function to filter file lists (dirstate not updated) |
38be819a1225
merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents:
3314
diff
changeset
|
430 """ |
2815
4870f795f681
Merge: combine force and forcemerge arguments
Matt Mackall <mpm@selenic.com>
parents:
2814
diff
changeset
|
431 |
4917
126f527b3ba3
Make repo locks recursive, eliminate all passing of lock/wlock
Matt Mackall <mpm@selenic.com>
parents:
4915
diff
changeset
|
432 wlock = repo.wlock() |
4915
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Use try/finally pattern to cleanup locks and transactions
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diff
changeset
|
433 try: |
6747
f6c00b17387c
use repo[changeid] to get a changectx
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parents:
6746
diff
changeset
|
434 wc = repo[None] |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
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4904
diff
changeset
|
435 if node is None: |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
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diff
changeset
|
436 # tip of current branch |
97b734fb9c6f
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diff
changeset
|
437 try: |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
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diff
changeset
|
438 node = repo.branchtags()[wc.branch()] |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
439 except KeyError: |
5570
78a6b985882f
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parents:
5489
diff
changeset
|
440 if wc.branch() == "default": # no default branch! |
78a6b985882f
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parents:
5489
diff
changeset
|
441 node = repo.lookup("tip") # update to tip |
78a6b985882f
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parents:
5489
diff
changeset
|
442 else: |
78a6b985882f
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Matt Mackall <mpm@selenic.com>
parents:
5489
diff
changeset
|
443 raise util.Abort(_("branch %s not found") % wc.branch()) |
4915
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Use try/finally pattern to cleanup locks and transactions
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parents:
4904
diff
changeset
|
444 overwrite = force and not branchmerge |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
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parents:
4904
diff
changeset
|
445 pl = wc.parents() |
6747
f6c00b17387c
use repo[changeid] to get a changectx
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parents:
6746
diff
changeset
|
446 p1, p2 = pl[0], repo[node] |
4915
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parents:
4904
diff
changeset
|
447 pa = p1.ancestor(p2) |
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Use try/finally pattern to cleanup locks and transactions
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parents:
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diff
changeset
|
448 fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2) |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
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parents:
4904
diff
changeset
|
449 fastforward = False |
3314 | 450 |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
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parents:
4904
diff
changeset
|
451 ### check phase |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
452 if not overwrite and len(pl) > 1: |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
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parents:
4904
diff
changeset
|
453 raise util.Abort(_("outstanding uncommitted merges")) |
6375
cdc458b12f0f
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parents:
6350
diff
changeset
|
454 if branchmerge: |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
455 if pa == p2: |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
456 raise util.Abort(_("can't merge with ancestor")) |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
457 elif pa == p1: |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
458 if p1.branch() != p2.branch(): |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
459 fastforward = True |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
460 else: |
6375
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
461 raise util.Abort(_("nothing to merge (use 'hg update'" |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
462 " or check 'hg heads')")) |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
463 if not force and (wc.files() or wc.deleted()): |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
464 raise util.Abort(_("outstanding uncommitted changes")) |
6375
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
465 elif not overwrite: |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
466 if pa == p1 or pa == p2: # linear |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
467 pass # all good |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
468 elif p1.branch() == p2.branch(): |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
469 if wc.files() or wc.deleted(): |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
470 raise util.Abort(_("crosses branches (use 'hg merge' or " |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
471 "'hg update -C' to discard changes)")) |
6381
0b89315d5de2
Fix missing space in one of the new update messages.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6375
diff
changeset
|
472 raise util.Abort(_("crosses branches (use 'hg merge' " |
6375
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
473 "or 'hg update -C')")) |
cdc458b12f0f
update: better logic and messages for updates
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parents:
6350
diff
changeset
|
474 elif wc.files() or wc.deleted(): |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
475 raise util.Abort(_("crosses named branches (use " |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
476 "'hg update -C' to discard changes)")) |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
477 else: |
cdc458b12f0f
update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents:
6350
diff
changeset
|
478 # Allow jumping branches if there are no changes |
cdc458b12f0f
update: better logic and messages for updates
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parents:
6350
diff
changeset
|
479 overwrite = True |
2814
0f787997e3c2
Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents:
2813
diff
changeset
|
480 |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
481 ### calculate phase |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
482 action = [] |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
483 if not force: |
6269
ffdf70e74623
merge: privatize some functions, unnest some others
Matt Mackall <mpm@selenic.com>
parents:
6268
diff
changeset
|
484 _checkunknown(wc, p2) |
6746
1dca460e7d1e
rename checkfolding to checkcase
Matt Mackall <mpm@selenic.com>
parents:
6740
diff
changeset
|
485 if not util.checkcase(repo.path): |
6269
ffdf70e74623
merge: privatize some functions, unnest some others
Matt Mackall <mpm@selenic.com>
parents:
6268
diff
changeset
|
486 _checkcollision(p2) |
ffdf70e74623
merge: privatize some functions, unnest some others
Matt Mackall <mpm@selenic.com>
parents:
6268
diff
changeset
|
487 action += _forgetremoved(wc, p2, branchmerge) |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
488 action += manifestmerge(repo, wc, p2, pa, overwrite, partial) |
2775
b550cd82f92a
Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
489 |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
490 ### apply phase |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
491 if not branchmerge: # just jump to the new rev |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
492 fp1, fp2, xp1, xp2 = fp2, nullid, xp2, '' |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
493 if not partial: |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
494 repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2) |
2775
b550cd82f92a
Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
495 |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
496 stats = applyupdates(repo, action, wc, p2) |
2899
8743188f4d2e
merge: consolidate dirstate updates
Matt Mackall <mpm@selenic.com>
parents:
2898
diff
changeset
|
497 |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
498 if not partial: |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
499 recordupdates(repo, action, branchmerge) |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
500 repo.dirstate.setparents(fp1, fp2) |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
501 if not branchmerge and not fastforward: |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
502 repo.dirstate.setbranch(p2.branch()) |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
503 repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3]) |
3314 | 504 |
4915
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
505 return stats |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
506 finally: |
97b734fb9c6f
Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents:
4904
diff
changeset
|
507 del wlock |